PHP图像上传器重命名图像? [英] PHP image uploader rename image?
本文介绍了PHP图像上传器重命名图像?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在尝试将图像上传到服务器时重命名.通常有一种简单的方法吗?以下是我正在使用的php代码.我想将其重命名为作为html表单中的隐藏字段传递的变量.
I'm trying to rename an image when uploading it to my server. Is there generally an easy way of doing this? Below is the php code I'm using. I want to rename it as a variable I'm passing through as a hidden field from a html form.
//variable from hidden field on form which is from mysql database
$imageName = $_POST['image_rename'];
if ((($_FILES["file"]["type"] == "image/gif") || ($_FILES["file"]["type"] == "image/jpeg") || ($_FILES["file"]["type"] == "image/jpg") || ($_FILES["file"]["type"] == "image/pjpeg")) && ($_FILES["file"]["size"] < 8000000))
{
if ($_FILES["file"]["error"] > 0)
{
echo "Return Code: " . $_FILES["file"]["error"] . "<br />";
}
else
{
echo "Upload: " . $_FILES["file"]["name"] . "<br />";
echo "Type: " . $_FILES["file"]["type"] . "<br />";
echo "Size: " . ($_FILES["file"]["size"] / 1024) . " Kb<br />";
echo "Temp file: " . $_FILES["file"]["tmp_name"] . "<br />";
if (file_exists("../uploads/" . $_FILES["file"]["name"]))
{
echo $_FILES["file"]["name"] . " already exists. ";
}
else
{
move_uploaded_file($_FILES["file"]["tmp_name"], "../uploads/" . $_FILES["file"]["name"]);
echo "Stored in: " . "../uploads/" . $_FILES["file"]["name"];
}
}
}
else
{
echo "Invalid file";
}
推荐答案
尝试更改move_uploaded_file()
函数;在函数中添加所需的名称.只需确保获取适当的扩展名即可,例如:
Try changing the move_uploaded_file()
function; add the name you want within the function. Just make sure to grab the proper extension, something like:
$parts=explode('.',$_FILES['file']['name']);
$newName=$imageName.'.'.$parts[(count($parts)-1)];
move_uploaded_file($_FILES['file']['tmp_name'],'../uploads/'.$newName);
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